Survival tool

Abstract

An improved survival tool comprising a large knife having double-edged recurved blade with a chisel tip and ergonomically-designed hilt and full tang and having a pair of ergonomically-designed releasably attachable scales covering the hilt and tang forming the finger guards/grips and handle of said tool, said blade being formed with a sharpened edge extending along one entire side of said recurved blade and having a false edge on the opposite side of said blade extending rearwardly from said chisel tip to a flattened portion at the belly of said blade which serves as a hammer-anvil or palm rest and having a serrated or saw-toothed concave section extending rearwardly from said flat portion of said blade to said hilt and having an elongated opening formed axially of said blade to allow insertion of a plurality of fingers to form a hand-hold, or function as a spanner or tool holder, and an opening to 1) releasably attach said tool to a sheath having a friction-fit pin that is part of said sheath, and 2) to accept a cross guard for conversion of said tool to a trident-lance by detaching said scales and releasably attaching a shaft having a bifurcated end to the said full tang.

What is claimed is: 
     
       1. A survival tool comprising: a blade with a hilt at one end and a chisel tip at another end, an opening in said blade extending axially along said blade to allow insertion of a plurality of fingers,   a tang attached to said blade at the hilt, said hilt having a second opening,   a cross guard attachable to said second opening to convert said tool to a trident,   said hilt also having a pair of quillons projecting outwardly therefrom,   said blade formed with a first cutting edge on one side therefore that extends the full length of said blade and a second cutting edge on another side of smaller length,   a flattened portion formed on said other side of said blade adjacent said second cutting edge,   a serrated portion adjacent said flattened portion and extending to said hilt, and   a pair of scales releasably attached to said tang.   
     
     
       2. The survival tool of claim 1 further comprising: the thickness of said blade at said flattened portion is approximately 1/4 inch. 
     
     
       3. The survival tool of claim 1 further comprising: the length of said opening is sufficient to receive four fingers of a user's hand. 
     
     
       4. The survival tool of claim 1 further comprising: the length of said elongated opening is approximately 3 inches. 
     
     
       5. The tool of claim 1 wherein: said opening is formed for use as a spanner. 
     
     
       6. The survival tool of claim 1 further comprising: a shaft releasably attachable to said tang. 
     
     
       7. The survival tool of claim 1 further comprising: a sheath having a retaining receivable in said second open pin for releasably attaching said tool to said sheath. 
     
     
       8. The survival tool of claim 7 further comprising: said sheath having a strap attachable to said sheath for suspending said sheath from a shoulder harness. 
     
     
       9. The survival tool of claim 7 further comprising: said sheath having means for releasably attaching said sheath to a user's belt.